SD-TestBus 3.2 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The most popular versions among SD-TestBus users are 3.2 and 1.0.
You can launch SD-TestBus on Windows XP/7/10/11 32-bit. SD-TestBus.exe is the default file name to indicate the SD-TestBus installer. This free software was originally designed by ABB S.p.a. SD-TestBus lies within System Utilities, more precisely Device Assistants.
From the developer:
SD-Testbus is a software application for testing and setting ABB Modbus communication devices,relays and all their inputs and outputs. It can be used to interface via Modbus,in a simple and fast way, with some protection units. It is possible to perform a network scan delimiting the search parameters and it can help in finding possible connection or setting errors.
You may want to check out more software, such as Snappy Fax 2000, SoftX Internet Logger or Canon MP-Toolbox, which might be related to SD-TestBus.